Excited state

Radiative life time (ns)

Kr ( 5 p [ 3 / 2 ] 2 )

30.6 ± 2.1 , this work

34.1 [11]

N ( 3 p 4 S 3 / 2 )

26.9 ± 0.3 [12]

29.6 [11]

26 ± 2 [13]

Reagent

Quenching coefficient for Kr ( 5 p [ 3 / 2 ] 2 ) atoms ( 10 10 cm 3 s 1 )

Kr

O2

N2

1.46 [11]

6.34 [11]

3.35 [11]

Reagent

Quenching coefficient for N ( 3 p 4 S 3 / 2 ) atoms ( 10 10 cm 3 s 1 )

O2

N2

6.63 [11]

0.41 [11]

0.67 ± 0.09 [13]